My *semi-proof* is if you have use warnings on and your program compiled a module over again that has already been included then it would complain about redefining each of the sub routines in that module.
My *guess* is that perl internally either keeps track of the list of packages already compiled in, or uses a check on the namespace in some manner, though I am slow to think about whether this last bit is possible right now. Back to football I guess :-)....................
http://danconia.org
MMKHAJAH wrote:
Hello,
I wonder wether 'use module' compiles only once. I mean that all sebsequent calls don't involve compiling.
Example:
MyLib.pm
package MyLib;
use strict;
use MyConfig;
##
## Code the uses MyConfig
##
MyScript.pl
use MyLib;
use MyConfig;
Will the 'use MyConfig' in the second file compile again?
Thanks in advance
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